`optimake.net`

CNAME	`rtopt.com`
DNSSEC	⚠️ Not signed
A	8.220.197.193^{🇰🇷 Alibaba-Cloud8.220.192.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`dns3.hichina.com` ⭐
		A	2408:4009:501::11^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.123^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns4.hichina.com`
		A	2408:4009:501::12^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.114^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.124^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=mnzmw3n3j0QZ5r40aWR9`
SOA	`dns3.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786559409

Same first word

optimake.com

optimake.sk

optimake.net

Similar names

mipoteka.ru

okaptime.com

mpoatiek.com

mitopeak.com

ipotekam.ru

apometik.de

ipotekam.com

impakteo.com

mektopia.com

DNS History

5 records (3 active, 2 former)

●NSdns10.hichina.com2026-05-22 → 2026-08-12 · 3 obs

○ 2018-06-26 18:47:10
● 2026-05-22 15:30:58
● 2026-08-12 18:42:46

●NSdns9.hichina.com2026-05-22 → 2026-08-12 · 3 obs

○ 2018-06-26 18:47:10
● 2026-05-22 15:30:58
● 2026-08-12 18:42:46

○NSns51.domaincontrol.com2015-08-06 → 2018-06-26 · 4 obs

● 2015-08-06 18:32:30
● 2018-06-26 18:47:10
○ 2026-05-22 15:30:58
○ 2026-08-12 18:42:46

○NSns52.domaincontrol.com2015-08-06 → 2018-06-26 · 4 obs

● 2015-08-06 18:32:30
● 2018-06-26 18:47:10
○ 2026-05-22 15:30:58
○ 2026-08-12 18:42:46

●CNAMErtopt.com2026-05-22 → 2026-08-12 · 2 obs

● 2026-05-22 15:30:58
● 2026-08-12 18:42:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
optimake.net	dns9.hichina.com, dns10.hichina.com	-

✅ Authoritative Response

Server:120.76.107.42

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimake.net (unsigned zone)

⏱️ Timing

Total: 4020ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns9.hichina.com, dns10.hichina.com`
CNAME	1	`rtopt.com`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

optimake.net resolves to one IP address: 8.220.197.193.

Host names like rtopt.com are further examples that share IP numbers with optimake.net.

Name Servers

Two name servers handle the delegation for optimake.net: dns3.hichina.com and dns4.hichina.com.

optimake.net uses the same name servers as several other domains — among them qyb4.com, 01111.net, qianshenjituan.cn and two more.

There is at least partial name server overlap between optimake.net and other domains — stbchina.cn, bgc.cn, butytrendy.com and two more among them.

Hostnames that resolve to 9 IP addresses:

dns3.hichina.com resolves to 39.96.153.43, 39.96.153.63 and 47.118.199.203 among others, with 6 other IP addresses in total.

dns4.hichina.com resolves to 39.96.153.44, 39.96.153.54 and 47.118.199.204 among others, with 6 other IP addresses in total.

Mail Servers

Incoming mail for optimake.net is delivered via three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

optimake.net has at least partial mail server overlap with other domains such as sigmob.com, flashexpress.pub, digitizefluid.com and two more.

These mail servers are routinely seen in conjunction with the mail servers mxbiz1.qq.com and mxbiz2.qq.com.

Hostnames that resolve to three IP addresses:

The hostname mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Hostnames that resolve to two IP addresses:

mx2.feishu.cn resolves to two addresses: 101.126.58.225 and 122.14.229.0.

Hosts with just one IP address:

The hostname mx1.feishu.cn resolves to 52.220.106.220.

mx3.feishu.cn along with mx1.feishu.cn each resolve to 52.220.106.220 IP addresses.

mx3.feishu.cn along with mx2.feishu.cn each resolve to 101.126.58.225 IP addresses.

mx3.feishu.cn along with mx2.feishu.cn each resolve to 122.14.229.0 IP addresses.

optimake.net - robtex.com

optimake.net

net